Finding the Third Proportional to 46,430 and 72,425

Step by Step Solution

1. Step 1: Write the proportion equation
   46,430 : 72,425 = 72,425 : x
2. Step 2: Convert to fraction form
   46,430/72,425 = 72,425/x
3. Step 3: Cross multiply
   46,430x = 72,425 × 72,425
4. Step 4: Simplify right side
   46,430x = 5,245,380,625
5. Step 5: Solve for x
   x = 5,245,380,625/46,430
6. Step 6: Final answer
   x = 112,973.95